import java.util.Scanner;
public class Example3_4 {
  public static void main (String args[]){
    int number =0;
    System.out.println("输入正整数(回车确认)");
    Scanner reader=new Scanner(System.in);
    number = reader.nextInt();
    switch(number) {
      case 9:
      case 131 :
      case 12:System.out.println(number+"是三等奖");
              break;
      case 209:
      case 596:
      case 27: System.out.println(number+"是二等奖");
              break;
      case 875 :
      case 316 :
      case 59 : System.out.println(number+"是一等奖");
               break;
      default: System.out.println(number+"未中奖");
     }
  }
}
